Finding the Fourth Proportional to 191,189,586.84, 263,826,538.02 and 107,541,064.08
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Solution
The fourth proportional to 191,189,586.84, 263,826,538.02 and 107,541,064.08 is: 148,398,179.53
Step by Step Solution
- Step 1: Write the proportion equation
191,189,586.84 : 263,826,538.02 = 107,541,064.08 : x - Step 2: Convert to fraction form
191,189,586.84/263,826,538.02 = 107,541,064.08/x - Step 3: Cross multiply
191,189,586.84x = 263,826,538.02 × 107,541,064.08 - Step 4: Simplify right side
191,189,586.84x = 28,372,186,631,213,376 - Step 5: Solve for x
x = 28,372,186,631,213,376/191,189,586.84 - Step 6: Final answer
x = 148,398,179.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.